propagatory
/ˈprɒpəɡət(ə)ri/ /ˌprɒpəˈɡeɪt(ə)ri/adjective
= propagative rare before 20th cent.
Origin
Mid 17th century; earliest use found in Michael Hudson (1605–1648), Church of England clergyman and royalist agent. From propagate or its etymon classical Latin propāgāt-, past participial stem of propāgāre + -ory. With sense 1 compare propagative.